2221120202111 has 8 divisors (see below), whose sum is σ = 2343601276800. Its totient is φ = 2099197128600.

The previous prime is 2221120202107. The next prime is 2221120202117. The reversal of 2221120202111 is 1112020211222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221120202111 - 2² = 2221120202107 is a prime.

It is a super-3 number, since 3×2221120202111³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221120202111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221120202117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139492115 + ... + 139508036.

It is an arithmetic number, because the mean of its divisors is an integer number (292950159600).

Almost surely, 2^{2221120202111} is an apocalyptic number.

2221120202111 is a deficient number, since it is larger than the sum of its proper divisors (122481074689).

2221120202111 is a wasteful number, since it uses less digits than its factorization.

2221120202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279000589.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2221120202111 its reverse (1112020211222), we get a palindrome (3333140413333).

The spelling of 2221120202111 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, two hundred two thousand, one hundred eleven".